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Piezoelectric rings for Inkjet Printer

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Zibo Yuhai Electronic Ceramic Co., Ltd.
Address :  No.57 Chuangye Road, Development Area Boshan, Zibo City, Shandong Prov. P.R. of China 
Tel :
+86-0533-4230012
Fax : +86-0533-4231700
Email : sales@zbyuhai.com

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Piezoelectric rings for Inkjet Printer

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Piezoelectric ceramic ring

Electrode direction: thickness

Applications: ultrasonic vibration tranducer for inkjet printer

Vibration mechanism of inkjet printer:

Generally, it is composed of piezoelectric ceramics and driving rods. By high-frequency electric excitation, piezo ceramics produce high-frequency ultrasonic vibration (above 60 kHz or higher), which is transmitted to the driving rod and generates high-frequency micro-displacement (back and forth expansion) at its front end.

Piezo ceramics components features :

1. High vibration amplitude and can withstand higher power.

2. The product has high reliability, strong maintainability, and is not easy to break down or off-line.

3. The frequency can be adjusted in a wide range, generally within the range of 10KHz.

Piezoelectric Ceramic Material: PZT-41 (equal to PZT-4D)

Piezoelectric elements technical data:

Dimensions: out diameter 6mm, inner diamter 2.5mm, height 2 mm

Radial Frequency Fr: 789KHz ± 5%

Resonant Impedance R: < 20 Ω

Mechanical Coupling coefficient K33 >0.50

Dielectric Loss tg δ: ≤ 0.3%

Static capacitance Cs: 110pF±12.5%

Test Condition: 25±3 °C 40~70% R.H.

fr, Zm, Kr => Radial mode vibration

Cs tanδ => LCR meter at 1KHz 1Vrms

The following piezo materials is for the vibration transducer 

P-41

is equal to PZT-4D hard PZT. It is designed for higher dielectric constant, high Q m , high coercive field, high coupling and high stiffness required high power high driving transducers etc.

P-42

Is a modified hard PZT, higher dielectric constant of P-41.

P-43

is a modified hard PZT. It is developed for higher dielectric constant, high coupling and high stiffness required high power high driving etc. transducers

P-82

Is equal to PZT-8, hard PZT for higher mechanical quality factor, lower dielectric loss required and much higher power handling capability etc. transducers.

PCrN-4

is a modified PZT dedicated for extremely high power high driving etc. transducers with higher power handling capability than DL-43, dual function of receiver and transmiting transducer. 

PbaS-4

is a modified hard PZT developed for extremely high dielectric constant, high Q m , high stiffness and low dissipation factor required high frequency transducers etc.

 

Typical value of piezoelectric ceramic materials performance

 

 

 

"Hard" PZT materials

 

 

 

 

 

 

 

 

Properties

 

 

PZT-41

PZT-42

PZT-43

PZT-82

PCrN-4

PBaS-4

Dielectric Constant

ɛTr3

 

1050

1250

1420

1100

1600

1900

 

 

 

 

 

 

 

 

 

Coupling factor 

KP

 

0.58

0.58

0.58

0.52

0.6

0.59

 

K31

 

0.32

0.33

0.34

0.3

0.35

0.34

 

K33

 

0.66

0.67

0.68

0.57

0.68

0.68

 

Kt

 

0.48

0.48

0.48

0.4

0.45

0.49

Piezoelectric coefficient

d31

10-12m/v

-106

-124

-138

-100

-156

-160

 

d33

10-12m/v

260

280

300

240

350

380

 

g31

10-3vm/n

-11.4

-11.2

-11

-10.3

-11

-9.5

 

g33

10-3vm/n

28

25.3

24

25

24.7

22.6

Frequency coefficients

Np

 

2280

2200

2160

2280

2100

2200

 

N1

 

1671

1613

1583

1671

1539

1613

 

N3

 

1950

1900

1875

1950

1850

1850

 

Nt

 

2250

2200

2200

2300

2200

2200

Elastic compliance coefficient

Se11

10-12m2/n

11.8

12.7

13.2

11.6

14

13.2

Machanical quality factor

Qm

 

1000

800

600

1200

400

2200

Dielectric loss factor

Tg δ

%

0.3

0.4

0.5

0.3

0.6

0.5

Density

ρ

g/cm3

7.5

7.5

7.5

7.6

7.5

7.5

Curie Temperature

Tc

°C

320

320

320

310

310

310

Young's modulus

YE11

<109N/m2

85

79

76

86

71

76

Poison Ratio

 

 

0.3

0.3

0.3

0.3

0.3

0.33

We could not find any corresponding parameters, please add them to the properties table
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